I majored in microwaves... I also learned 51 by accident. Now I want to use 51 to control a CMOS chip. Specifically, I want to make a 4*4 matrix keyboard, input a number (0 to 400, can be a decimal), ...
#includemain(){int *Memory;Memory=(int *)malloc(100*sizeof(int));..........}The compilation is passed. But the following problem occurs during linking:Error[e16]: Segment DATA16_Z (size: 0x7d0 align: ...
[i=s]This post was last edited by dcexpert on 2020-2-11 14:08[/i]During this special period, many netizens may be working from home. Working from home is very uncomfortable, but it can also allow you ...
For example: How to assign a to a decimal in input [4:0] a; //? What if I want to assign a to 0.237 during timing simulation? Using fractional during timing simulation doesn't work either. Thanks!!!...
[i=s]This post was last edited by RichCastle on 2014-3-19 23:18[/i] :loveliness:From March 18 to 20, 2014, the Munich Shanghai Electronics Show was held as scheduled at the Shanghai New International ...
[i=s] This post was last edited by experts on 2020-1-4 18:48 [/i]CH551 needs a program to be written into the chipPlease let me know how much the reward is.
How much is the price? Add a friend. Thanks...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
51mcu
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